using flake8

Author: palazzem

.pep8

@@ -4,7 +4,8 @@ envlist =
     py27-django14, py27-django15, py27-django16, py27-django17,
     py33-django15, py33-django16, py33-django17,
     py34-django15, py34-django16, py34-django17,
-    docs
+    docs,
+    flake8
 
 [testenv]
 downloadcache = {toxworkdir}/cache/
@@ -102,4 +103,15 @@ changedir=docs
 deps =
     sphinx
     south
-commands=make html
+commands=make html
+
+[testenv:flake8]
+deps =
+    flake8
+commands =
+    flake8 oauth2_provider
+
+[flake8]
+max-line-length = 120
+ignore = F403,F401
+exclude = docs,migrations,south_migrations,.tox